What Are the Basics of the Ventricular Tachycardia?

What is ventricular tachycardia?

Ventricular tachycardia (V-tach or VT) is a kind of heart rhythm disorder which is caused by abnormal electrical signals in ventricles (the lower chambers of the heart).

Ventricular tachycardia is characterized by abnormally fast heart rate (100 or more beats a minute). Long periods of ventricular tachycardia are dangerous and may cause complications such as cardiac arrest and ventricular fibrillation.

What are the symptoms of ventricular tachycardia?

The possible symptoms of ventricular tachycardia include:

  • Dizziness
  • Seizures
  • Shortness of breath
  • Lightheadedness
  • Chest pain (angina)
  • Heart palpitations
  • Loss of consciousness
  • Fainting
  • Cardiac arrest

What are the causes of ventricular tachycardia?

The causes of ventricular tachycardia include:

  • Medication side effects
  • Lack of oxygen to the heart due to tissue damage
  • Congenital heart conditions
  • Inflammatory diseases
  • Imbalance of electrolytes, mineral-related substances
  • Low blood levels of magnesium or potassium
  • Heart attack

Some treatments for ventricular tachycardia?

The effective treatments for ventricular tachycardia include:

  • Anti-arrhythmic medications
  • Cardioversion
  • Defibrillation by using an automated external defibrillator
  • Implantable cardioverter-defibrillator.
  • Injection of an anti-arrhythmic medication such as lidocaine
  • Catheter ablation
  • Surgery

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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.